Answer: • AD and BC are the two most commonly used to mark dates
• The AD and BC system makes it easier for historians to consistently document and study historical events
• Chronology means arranging events in the order in which they occurred
• A timeline is a line, chart, or graph that shows a series of chronology events
•Timeline and chronology help to compare the development of different events in relation to one another
Explanation:
In Europe, Rivers had the greatest impact on medieval life because they provided both a food source and allowed for the spread of ideas through human movement.
1.True
2. False
3. True
4. True
5. False. they lived 1345 - 1521
